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envato says
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BoxyStudio says

Wow Jeff, this is brilliant. Love the concept!

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zvineyard says

Wow, this is too cool. Thank you for the mention at the beginning of the article. I love the idea of a click-able captcha, especially when its all PHP . Getting the pixel color at an x/y coordinate is brilliant.

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Meshach says

Wow I really like this! Thanks for the tut.

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fromtheirhands says

Great concept, however, we must remember the red/green deficiency and other color recognition issues when using this.

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Viper007Bond says

Unfortunately while the concept itself is clever, the CAPTCHA is very trivial to break. So much so that I threw together a PHP script just for fun that submits fake spam to your script’s form every time it’s run. :)

If you’re interested in the source, you can find it here:

http://www.viper007bond.com/2009/09/30/breaking-click-in-that-captcha/

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kailoon Envato team says

Amazing :)

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JGarrido says

Neat concept, but obviously isn’t very accessible.

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Meshach says

It’s the concept that counts guys.. ;)

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balup4h says

Great Share… I love the Concept.. tweet @emma247

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